diff --git a/.github/workflows/pr_code_changes.yaml b/.github/workflows/pr_code_changes.yaml
index 0cacd40a3..e19e3869f 100644
--- a/.github/workflows/pr_code_changes.yaml
+++ b/.github/workflows/pr_code_changes.yaml
@@ -174,9 +174,12 @@ jobs:
     permissions:
       contents: read
     # Observed 2026-10-14..15: 28 to 54 minutes per Python version, with runs on
-    # 3.12 and 3.13 cancelled at the old 60-minute limit. Fail a hung job instead
+    # 3.12 and 3.13 cancelled at the old 60-minute limit. By early Nov, 65 to 90
+    # minutes on 3.11-3.13, where coverage.py 7.13.5 uses its C trace function
+    # (sys.monitoring only on 3.14, which takes 47-60), and one of them was often
+    # cancelled at 90: 3.12 on #730, 3.11 on #735 (#736). Fail a hung job instead
     # of holding a shared org runner for the 6-hour default.
-    timeout-minutes: 90
+    timeout-minutes: 105
     strategy:
       fail-fast: false
       matrix:
diff --git a/.github/workflows/push.yaml b/.github/workflows/push.yaml
index 75a3f7b43..4ed2b2945 100644
--- a/.github/workflows/push.yaml
+++ b/.github/workflows/push.yaml
@@ -50,9 +50,10 @@ jobs:
       contents: read
     # Successful runs on main 2026-10-14..16: 3.11 33-54 min, 3.12 32-56,
     # 3.13 36-60, 3.14 23-42; at 60 minutes every push run on 16 Oct was
-    # cancelled before Versioning, so nothing was released (#640). Matches
-    # the pull-request Test job (#631).
-    timeout-minutes: 90
+    # cancelled before Versioning, so nothing was released (#640). By early
+    # Nov, pull-request runs on 3.11-3.13 took 65 to 90 minutes and were often
+    # cancelled at 90 (#736). Matches the pull-request Test job (#631).
+    timeout-minutes: 105
     strategy:
       fail-fast: false
       matrix:
diff --git a/changelog.d/736.changed.md b/changelog.d/736.changed.md
new file mode 100644
index 000000000..0e51dd91e
--- /dev/null
+++ b/changelog.d/736.changed.md
@@ -0,0 +1 @@
+The pull-request and push-to-main Test jobs may run for 105 minutes instead of 90. On Python 3.11 to 3.13 they now take 65 to 90 minutes, and one of them was often cancelled at the 90-minute limit with no failing test.